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ASoC: rsnd: add DT support to DVC

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Now, DVC can use DT

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Kuninori Morimoto 2014-06-22 17:59:28 -07:00 committed by Mark Brown
parent 340371005d
commit 34cb6123f9
3 changed files with 57 additions and 2 deletions
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8
Documentation/devicetree/bindings/sound/renesas,rsnd.txt
View File

@ -13,6 +13,9 @@ Required properties:
- rcar_sound,src : Should contain SRC feature.
The number of SRC subnode should be same as HW.
see below for detail.
- rcar_sound,dvc : Should contain DVC feature.
The number of DVC subnode should be same as HW.
see below for detail.
- rcar_sound,dai : DAI contents.
The number of DAI subnode should be same as HW.
see below for detail.
@ -40,6 +43,11 @@ rcar_sound: rcar_sound@0xffd90000 {
<0 0xec540000 0 0x1000>, /* SSIU */
<0 0xec541000 0 0x1280>; /* SSI */
rcar_sound,dvc {
dvc0: dvc@0 { };
dvc1: dvc@1 { };
};
rcar_sound,src {
src0: src@0 { };
src1: src@1 { };

13
sound/soc/sh/rcar/core.c
View File

@ -286,7 +286,13 @@ static void rsnd_dma_of_path(struct rsnd_dma *dma,
mod[i] = src;
src = NULL;
} else {
mod[i] = dvc;
if ((!is_play) && (this == src))
this = dvc;
mod[i] = (is_play) ? src : dvc;
i++;
mod[i] = (is_play) ? dvc : src;
src = NULL;
dvc = NULL;
}
@ -719,12 +725,13 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
struct device_node *dai_node, *dai_np;
struct device_node *ssi_node, *ssi_np;
struct device_node *src_node, *src_np;
struct device_node *dvc_node, *dvc_np;
struct device_node *playback, *capture;
struct rsnd_dai_platform_info *dai_info;
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
struct device *dev = &pdev->dev;
int nr, i;
int dai_i, ssi_i, src_i;
int dai_i, ssi_i, src_i, dvc_i;
if (!of_data)
return;
@ -750,6 +757,7 @@ static void rsnd_of_parse_dai(struct platform_device *pdev,
ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi");
src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
#define mod_parse(name) \
if (name##_node) { \
@ -785,6 +793,7 @@ if (name##_node) { \
mod_parse(ssi);
mod_parse(src);
mod_parse(dvc);
if (playback)
of_node_put(playback);

38
sound/soc/sh/rcar/dvc.c
View File

@ -235,6 +235,42 @@ struct rsnd_mod *rsnd_dvc_mod_get(struct rsnd_priv *priv, int id)
return &((struct rsnd_dvc *)(priv->dvc) + id)->mod;
}
static void rsnd_of_parse_dvc(struct platform_device *pdev,
const struct rsnd_of_data *of_data,
struct rsnd_priv *priv)
{
struct device_node *node;
struct rsnd_dvc_platform_info *dvc_info;
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
struct device *dev = &pdev->dev;
int nr;
if (!of_data)
return;
node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc");
if (!node)
return;
nr = of_get_child_count(node);
if (!nr)
goto rsnd_of_parse_dvc_end;
dvc_info = devm_kzalloc(dev,
sizeof(struct rsnd_dvc_platform_info) * nr,
GFP_KERNEL);
if (!dvc_info) {
dev_err(dev, "dvc info allocation error\n");
goto rsnd_of_parse_dvc_end;
}
info->dvc_info = dvc_info;
info->dvc_info_nr = nr;
rsnd_of_parse_dvc_end:
of_node_put(node);
}
int rsnd_dvc_probe(struct platform_device *pdev,
const struct rsnd_of_data *of_data,
struct rsnd_priv *priv)
@ -246,6 +282,8 @@ int rsnd_dvc_probe(struct platform_device *pdev,
char name[RSND_DVC_NAME_SIZE];
int i, nr;
rsnd_of_parse_dvc(pdev, of_data, priv);
nr = info->dvc_info_nr;
if (!nr)
return 0;